MAX97220 Hi-Fi Audiophile Headphone Amplifier Board with Volume Control Preamplifier for Audiophiles Professional Audio

Features
1. Using high-performance MAX97220 chip, providing high-fidelity audio amplification, sound quality pure and delicate
2. Support as headphone amplifier and amplifier preamplifier dual-purpose, wider range of applications
3. Built-in precise volume adjustment function, easy to operate, to meet different listening needs
4. Low distortion and high dynamic response design, suitable for Hi-Fi audio system and professional audio equipment.
5. Strong stability, low heat generation, to ensure that the long time use still maintains excellent sound quality performance

Parameter
use MAX97220 headphone amplifier chip, can be used as headphone amplification, can also be used as an amplifier preamplifier.
With power switch volume potentiometer.
Input voltage: DC2.5-5.5V (it is recommended to use a battery or linear regulated power supply, to avoid interference with the power supply to affect the effect)
Output power: 125mw
audio input/output/power supply input seat are 2.54mm pin holder, 3.5 headphone output seat for 3 sections of the headphone plug headphones to use.

Package include
Headphone Amplifier Board*1